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Flanges, also known as flanged discs or raised discs, are disc-shaped parts very common in mechanical and engineering installations. Flanges are usually used in pairs, mainly for connecting pipes to valves, pipes to pipes, and pipes to equipment, serving a sealing function. Since flanges are widely used for connections between these devices and pipelines, any connecting part that uses bolts between two planes and has a sealing function is generally called a "flange."

Flanges are typically circular disc-shaped structures with multiple holes for fixing. At the pipeline connection, a gasket is usually placed between the two flange discs, which are then tightened with bolts. Depending on the pressure requirements, the thickness of the flange and the specifications of the bolts will vary. The main materials for flanges include carbon steel, stainless steel, and alloy steel.
Classification of Flanges
Production Technology of Flanges
Importance of Flanges in Pipeline Connections

Although flanges are just a small part of the entire product, pipeline, or machinery, their role is extremely important. CTT's flanges are precise and sturdy, ensuring people's use safety and reliability.
This article provides an in-depth analysis of the technical principles of sheet metal laser cutting, including core components such as laser generators and optical path systems. It details its precision advantage of ±0.03mm, high-efficiency processing characteristics, and practical applications in fields like automotive manufacturing, electronic equipment, and medical devices.
Tailored to the diverse needs of five major industries—automobile manufacturing, electronic appliances, architectural decoration, mechanical manufacturing, and medical devices—this article offers professional sheet metal punching processing solutions, covering the processing of various hole types such as heat dissipation holes, mounting holes, and decorative holes.
In precision sheet-metal fabrication, every fraction of a millimeter counts. From medical-device enclosures to EV battery housings and industrial chassis, a single dimensional deviation can cascade into costly rework or assembly issues.
A brushed metal finish is a mechanical surface treatment that produces fine, unidirectional lines or textures on metal surfacises. This process not only improves aesthetics but also enhances performance in specific applications. Unlike mirror-polished finishes, which are glossy and reflective, a brushed finish diffuses light. This gives the surface a matte, satin-like appearance with visible grain patterns that subtly reflect light. The brushing process is achieved by rubbing the surface with an abrasive belt or pad, removing imperfections and creating consistent texture lines.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.